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Finding the Fourth Proportional to 324,603.56, 486,890.72 and 218,032.41

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Solution

The fourth proportional to 324,603.56, 486,890.72 and 218,032.41 is: 327,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,603.56 : 486,890.72 = 218,032.41 : x
  2. Step 2: Convert to fraction form
    324,603.56/486,890.72 = 218,032.41/x
  3. Step 3: Cross multiply
    324,603.56x = 486,890.72 × 218,032.41
  4. Step 4: Simplify right side
    324,603.56x = 106,157,957,088.24
  5. Step 5: Solve for x
    x = 106,157,957,088.24/324,603.56
  6. Step 6: Final answer
    x = 327,038.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.